256506-42-0 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 256506-42-0 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 2,5,6,5,0 and 6 respectively; the second part has 2 digits, 4 and 2 respectively.
Calculate Digit Verification of CAS Registry Number 256506-42:
(8*2)+(7*5)+(6*6)+(5*5)+(4*0)+(3*6)+(2*4)+(1*2)=140
140 % 10 = 0
So 256506-42-0 is a valid CAS Registry Number.
256506-42-0Relevant articles and documents
Organocopper mediated conjugate addition of vinyl grignard reagent to α,β-unsaturated acylsilane
Tsai, Yeun-Min
, p. 825 - 826 (1999)
Vinyl Grignard reagent added to trans-cinnamaldehyde in the presence of cuprous iodide to give conjugate addition product in good yield.